Improvement in furrowing out corn-ground



N. C. HAMMELL,

FURRQWIITG OUT CORN GROUND. No.188,5Z4. Patented March 20,1877.

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UNITED STATES PATENT OFFICE.

NATHAN 0.. HAMMELL, ,OF BROWN TOWNSHIP, MIAMI COUNTY, OHIO.

IMPROVEMENT IN FURROWING Ol JT CORN-GROUND.

Specification forming part of Letters Patent No. 188,624, dated March 20, 1877; application filed May 20, 1876.

To all whom it may concern Be it known that I, NATHAN G. HAMMELL, of Brown township, in the county of Miami and State of Ohio, have invented a new and useful Improvement in Furrowing out Uorn- Ground, which improvement is fully set forth in the following specification, reference being had to the accompanying drawing.

Figure 1 is a top view. Fig. 2 is a rear view. Fig. 3 is a detail view.

Referring to the drawing, A A A are runners, formiuga furroweror sled formarkingoutcornground. These runners are securely connected together by cross-bars F F. To the runners, at their rear ends, by bolts, are adjustabl y attached furrowing teeth or plows O (l (J, (having side guides k, that embrace the runners,)

' provided with slots b, through which bolts to are passed for securing them to the said runners, for graduating the depth of the furrow. To one side of the frame and to the runner is hinged a bar, H, carrying a furrowing-tooth, I, braced by a rod, d, extending from the runner A to the bar H. The bar H is provided with a handle, h, that extends within reach of the operator, to enable him to elevate the bar in passing obstructions.

A staple or other suitable retaining devicemay be attached to one of the cross-bars F, through which the handle it is passed and held when the furrowing-bar H is adjusted in turning at the end of rows, passing obstructions, or transporting the machine from place NATHAN G. HAMMELL. Witnesses:

WILLIAM L. GRAHAM, GEORGE M. Cox. 

